To create population density maps, for example, humans have to label each building in the images, then cross-reference this with census data. This is particularly tricky in the African continent ...

(The Key: "whites are coded as blue; African ... This map is an American snapshot; it provides an accessible visualization of geographic distribution, population density, and racial diversity ...

The fact that African American population declines in Hamilton County were less than in the city of Chattanooga tells us that some people moved to the suburbs. As the map shows, most suburban ...

Pat Nabong/Sun-Times file Share An 86,413-person drop in Chicago’s African American population in ... person drop in Chicago’s Black population. That map was approved by the Council without ...